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Grep the source, Luke

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This is a PoC for grepping the blobs in the current tree.

Signed-off-by: Lars Hjemli <larsh@hjemli.net>
lh/grep
Lars Hjemli 13 years ago committed by Jason A. Donenfeld
parent fdfb6a6d80
commit c028b604ef
5 changed files with 223 additions and 8 deletions
Show Stats Download Patch File Download Diff File

5
cmd.c
Unescape Escape View File

@ -127,7 +127,10 @@ static void tag_fn(struct cgit_context *ctx)
static void tree_fn(struct cgit_context *ctx)
{
cgit_print_tree(ctx->qry.sha1, ctx->qry.path);
if (ctx->qry.grep)
cgit_grep(ctx->qry.sha1, ctx->qry.path, ctx->qry.grep);
else
cgit_print_tree(ctx->qry.sha1, ctx->qry.path);
}
#define def_cmd(name, want_repo, want_layout, want_vpath, is_clone) \

103
ui-shared.c
Unescape Escape View File

@ -246,6 +246,61 @@ static char *repolink(const char *title, const char *class, const char *page,
return fmt("%s", delim);
}
static char *repolink2(const char *title, const char *class, const char *page,
const char *head, const char *path, int lineno)
{
char *delim = "?";
html("<a");
if (title) {
html(" title='");
html_attr(title);
html("'");
}
if (class) {
html(" class='");
html_attr(class);
html("'");
}
html(" href='");
if (ctx.cfg.virtual_root) {
html_url_path(ctx.cfg.virtual_root);
if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
html("/");
html_url_path(ctx.repo->url);
if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
html("/");
if (page) {
html_url_path(page);
html("/");
if (path)
html_url_path(path);
}
} else {
html(ctx.cfg.script_name);
html("?url=");
html_url_arg(ctx.repo->url);
if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
html("/");
if (page) {
html_url_arg(page);
html("/");
if (path)
html_url_arg(path);
}
delim = "&amp;";
}
if (head && strcmp(head, ctx.repo->defbranch)) {
html(delim);
html("h=");
html_url_arg(head);
delim = "&amp;";
}
if (lineno)
htmlf("#n%d", lineno);
return fmt("%s", delim);
}
static void reporevlink(const char *page, const char *name, const char *title,
const char *class, const char *head, const char *rev,
const char *path)
@ -263,6 +318,23 @@ static void reporevlink(const char *page, const char *name, const char *title,
html("</a>");
}
static void reporevlink2(const char *page, const char *name, const char *title,
const char *class, const char *head, const char *rev,
const char *path, int lineno)
{
char *delim;
delim = repolink2(title, class, page, head, path, lineno);
if (rev && ctx.qry.head != NULL && strcmp(rev, ctx.qry.head)) {
html(delim);
html("id=");
html_url_arg(rev);
}
html("'>");
html_txt(name);
html("</a>");
}
void cgit_summary_link(const char *name, const char *title, const char *class,
const char *head)
{
@ -281,6 +353,13 @@ void cgit_tree_link(const char *name, const char *title, const char *class,
reporevlink("tree", name, title, class, head, rev, path);
}
void cgit_tree_link2(const char *name, const char *title, const char *class,
const char *head, const char *rev, const char *path,
int lineno)
{
reporevlink2("tree", name, title, class, head, rev, path, lineno);
}
void cgit_plain_link(const char *name, const char *title, const char *class,
const char *head, const char *rev, const char *path)
{
@ -875,6 +954,9 @@ static void print_header(struct cgit_context *ctx)
void cgit_print_pageheader(struct cgit_context *ctx)
{
int tree;
char *page;
html("<div id='cgit'>");
if (!ctx->cfg.noheader)
print_header(ctx);
@ -903,16 +985,23 @@ void cgit_print_pageheader(struct cgit_context *ctx)
NULL);
html("</td><td class='form'>");
html("<form class='right' method='get' action='");
if (ctx->cfg.virtual_root)
html_url_path(cgit_fileurl(ctx->qry.repo, "log",
if (ctx->cfg.virtual_root) {
tree = !strcmp(ctx->qry.page, "tree");
page = tree ? "tree" : "log";
html_url_path(cgit_fileurl(ctx->qry.repo, page,
ctx->qry.vpath, NULL));
}
html("'>\n");
cgit_add_hidden_formfields(1, 0, "log");
cgit_add_hidden_formfields(1, 0, page);
html("<select name='qt'>\n");
html_option("grep", "log msg", ctx->qry.grep);
html_option("author", "author", ctx->qry.grep);
html_option("committer", "committer", ctx->qry.grep);
html_option("range", "range", ctx->qry.grep);
if (tree) {
html_option("grep", "source", ctx->qry.grep);
} else {
html_option("grep", "log msg", ctx->qry.grep);
html_option("author", "author", ctx->qry.grep);
html_option("committer", "committer", ctx->qry.grep);
html_option("range", "range", ctx->qry.grep);
}
html("</select>\n");
html("<input class='txt' type='text' size='10' name='q' value='");
html_attr(ctx->qry.search);

3
ui-shared.h
Unescape Escape View File

@ -20,6 +20,9 @@ extern void cgit_tag_link(const char *name, const char *title,
extern void cgit_tree_link(const char *name, const char *title,
const char *class, const char *head,
const char *rev, const char *path);
extern void cgit_tree_link2(const char *name, const char *title,
const char *class, const char *head,
const char *rev, const char *path, int lno);
extern void cgit_plain_link(const char *name, const char *title,
const char *class, const char *head,
const char *rev, const char *path);

119
ui-tree.c
Unescape Escape View File

@ -277,3 +277,122 @@ void cgit_print_tree(const char *rev, char *path)
read_tree_recursive(commit->tree, "", 0, 0, paths, walk_tree, NULL);
ls_tail();
}
struct grep_data {
regex_t re;
char *path;
int max_hits;
};
static int grep_blob(const unsigned char *sha1, const char *base, int baselen,
const char *pathname, struct grep_data *grep)
{
enum object_type type;
char *buf, *line, *lf, *fullpath;
unsigned long size;
int hits, lno, rc;
type = sha1_object_info(sha1, &size);
if (type == OBJ_BAD) {
cgit_print_error(fmt("Bad object name: %s",
sha1_to_hex(sha1)));
return -1;
}
buf = read_sha1_file(sha1, &type, &size);
if (!buf) {
cgit_print_error(fmt("Error reading object %s",
sha1_to_hex(sha1)));
return -1;
}
hits = 0;
line = buf;
lno = 1;
while (size) {
lf = strchr(line, '\n');
if (lf)
*lf = 0;
rc = regexec(&grep->re, line, 0, NULL, 0);
if (!rc) {
if (!hits) {
fullpath = fmt("%.*s%s", baselen, base,
pathname);
htmlf("<strong>%s</strong><pre>", fullpath);
}
htmlf("%6d: ", lno);
while (isspace(*line))
line++;
cgit_tree_link2(line, NULL, NULL, ctx.qry.head,
ctx.qry.sha1, fullpath, lno);
html("\n");
++hits;
if (!(--grep->max_hits))
break;
}
if (!lf)
break;
size -= (lf - line);
*lf = '\n';
line = lf + 1;
lno++;
}
if (hits)
html("</pre>");
if (!grep->max_hits) {
cgit_print_error("Too many matches found.");
return -1;
}
return 0;
}
static int grep_tree(const unsigned char *sha1, const char *base, int baselen,
const char *pathname, unsigned mode, int stage,
void *cbdata)
{
int rc;
char *fullpath;
struct grep_data *grep;
grep = cbdata;
fullpath = fmt("%.*s%s", baselen, base, pathname);
if (S_ISDIR(mode)) {
rc = grep->path ? prefixcmp(grep->path, fullpath) : 0;
if (!rc)
return READ_TREE_RECURSIVE;
return (rc > 0 ? -1 : 0);
} else if (S_ISREG(mode)) {
rc = grep->path ? prefixcmp(fullpath, grep->path) : 0;
if (!rc)
return grep_blob(sha1, base, baselen, pathname, grep);
return (rc < 0 ? -1 : 0);
}
return 0;
}
void cgit_grep(const char *rev, char *path, char *grep)
{
unsigned char sha1[20];
struct commit *commit;
struct grep_data data;
if (!rev)
rev = ctx.qry.head;
curr_rev = xstrdup(rev);
if (get_sha1(rev, sha1)) {
cgit_print_error(fmt("Invalid revision name: %s", rev));
return;
}
commit = lookup_commit_reference(sha1);
if (!commit || parse_commit(commit)) {
cgit_print_error(fmt("Invalid commit reference: %s", rev));
return;
}
data.path = path;
data.max_hits = 100;
if (regcomp(&data.re, ctx.qry.search, REG_EXTENDED | REG_ICASE | REG_NOSUB)) {
cgit_print_error("Invalid regex");
return;
}
read_tree_recursive(commit->tree, "", 0, 0, NULL, grep_tree, &data);
}

1
ui-tree.h
Unescape Escape View File

@ -2,5 +2,6 @@
#define UI_TREE_H
extern void cgit_print_tree(const char *rev, char *path);
extern void cgit_grep(const char *rev, char *path, char *grep);
#endif /* UI_TREE_H */

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